Re: ToDo: log plans of cancelled queries

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ToDo: log plans of cancelled queries
Date: 2013-01-11 15:47:48
Message-ID: 20130111154748.GZ16126@tamriel.snowman.net
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* Pavel Stehule (pavel(dot)stehule(at)gmail(dot)com) wrote:
> My propose is proposed for different dimensions and purpose - for
> example - we have a limit 20 minutes for almost all queries, and after
> this limit we killing queries. But we have to know little bit more
> about these bad queries - and we hope, so execution plan can give this
> additional info. We have same motivation like people who use
> auto_explain for slow query - but we can't to wait to query complete.

Why not an option to auto_explain (or whatever) to log an execution plan
right before actually executing it? If that was something which could
be set with a GUC or similar, you could just do that before running
whatever queries you're interested in capturing the plans for.

Thanks,

Stephen

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